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10220331007 = 31329688097
BaseRepresentation
bin10011000010010110…
…11101111111111111
3222101021100121110001
421201023131333333
5131412401043012
64410053055131
7511161244255
oct114113357777
928337317401
1010220331007
114375123a57
121b929274a7
13c6b542753
146cd5185d5
153ec3d1357
hex2612ddfff

10220331007 has 4 divisors (see below), whose sum is σ = 10550019136. Its totient is φ = 9890642880.

The previous prime is 10220331001. The next prime is 10220331053. The reversal of 10220331007 is 70013302201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70013302201 = 591186666139.

It is a cyclic number.

It is not a de Polignac number, because 10220331007 - 23 = 10220330999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220331001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164844018 + ... + 164844079.

It is an arithmetic number, because the mean of its divisors is an integer number (2637504784).

Almost surely, 210220331007 is an apocalyptic number.

10220331007 is a deficient number, since it is larger than the sum of its proper divisors (329688129).

10220331007 is an equidigital number, since it uses as much as digits as its factorization.

10220331007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329688128.

The product of its (nonzero) digits is 252, while the sum is 19.

Adding to 10220331007 its reverse (70013302201), we get a palindrome (80233633208).

The spelling of 10220331007 in words is "ten billion, two hundred twenty million, three hundred thirty-one thousand, seven".

Divisors: 1 31 329688097 10220331007